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Murmur2A
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Murmur2A
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-------------------------------------------------------------------------------
--- Testing Murmur2A (MurmurHash2A for x86, 32-bit)
[[[ Sanity Tests ]]]
Verification value 0x7FBD4396 : Passed!
Running sanity check 1..........PASS
Running sanity check 2 AppendedZeroesTest..........PASS
[[[ Speed Tests ]]]
Bulk speed test - 262144-byte keys
Alignment 0 - 1.071 bytes/cycle - 3064.14 MiB/sec @ 3 ghz
Alignment 1 - 1.062 bytes/cycle - 3039.30 MiB/sec @ 3 ghz
Alignment 2 - 1.062 bytes/cycle - 3039.29 MiB/sec @ 3 ghz
Alignment 3 - 1.062 bytes/cycle - 3038.93 MiB/sec @ 3 ghz
Alignment 4 - 1.071 bytes/cycle - 3063.64 MiB/sec @ 3 ghz
Alignment 5 - 1.062 bytes/cycle - 3039.31 MiB/sec @ 3 ghz
Alignment 6 - 1.062 bytes/cycle - 3039.31 MiB/sec @ 3 ghz
Alignment 7 - 1.062 bytes/cycle - 3039.30 MiB/sec @ 3 ghz
Small key speed test - 1-byte keys - 21.00 cycles/hash
Small key speed test - 2-byte keys - 22.92 cycles/hash
Small key speed test - 3-byte keys - 28.39 cycles/hash
Small key speed test - 4-byte keys - 24.47 cycles/hash
Small key speed test - 5-byte keys - 32.66 cycles/hash
Small key speed test - 6-byte keys - 32.95 cycles/hash
Small key speed test - 7-byte keys - 32.22 cycles/hash
Small key speed test - 8-byte keys - 34.91 cycles/hash
Small key speed test - 9-byte keys - 37.24 cycles/hash
Small key speed test - 10-byte keys - 37.15 cycles/hash
Small key speed test - 11-byte keys - 36.94 cycles/hash
Small key speed test - 12-byte keys - 37.93 cycles/hash
Small key speed test - 13-byte keys - 41.67 cycles/hash
Small key speed test - 14-byte keys - 42.26 cycles/hash
Small key speed test - 15-byte keys - 41.24 cycles/hash
Small key speed test - 16-byte keys - 44.12 cycles/hash
Small key speed test - 17-byte keys - 45.77 cycles/hash
Small key speed test - 18-byte keys - 45.80 cycles/hash
Small key speed test - 19-byte keys - 45.03 cycles/hash
Small key speed test - 20-byte keys - 47.40 cycles/hash
Small key speed test - 21-byte keys - 50.23 cycles/hash
Small key speed test - 22-byte keys - 49.25 cycles/hash
Small key speed test - 23-byte keys - 49.23 cycles/hash
Small key speed test - 24-byte keys - 50.59 cycles/hash
Small key speed test - 25-byte keys - 53.96 cycles/hash
Small key speed test - 26-byte keys - 53.64 cycles/hash
Small key speed test - 27-byte keys - 54.45 cycles/hash
Small key speed test - 28-byte keys - 54.52 cycles/hash
Small key speed test - 29-byte keys - 56.80 cycles/hash
Small key speed test - 30-byte keys - 57.28 cycles/hash
Small key speed test - 31-byte keys - 56.40 cycles/hash
[[[ Differential Tests ]]]
Testing 8303632 up-to-5-bit differentials in 64-bit keys -> 32 bit hashes.
1000 reps, 8303632000 total tests, expecting 1.93 random collisions..........
0 total collisions, of which 0 single collisions were ignored
Testing 11017632 up-to-4-bit differentials in 128-bit keys -> 32 bit hashes.
1000 reps, 11017632000 total tests, expecting 2.57 random collisions..........
0 total collisions, of which 0 single collisions were ignored
Testing 2796416 up-to-3-bit differentials in 256-bit keys -> 32 bit hashes.
1000 reps, 2796416000 total tests, expecting 0.65 random collisions..........
0 total collisions, of which 0 single collisions were ignored
[[[ Avalanche Tests ]]]
Testing 32-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.619333%
Testing 40-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.704000%
Testing 48-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.616000%
Testing 56-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.615333%
Testing 64-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.599333%
Testing 72-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.609333%
Testing 80-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.656000%
Testing 88-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.661333%
Testing 96-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.643333%
Testing 104-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.676000%
Testing 112-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.768667%
Testing 120-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.702667%
Testing 128-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.655333%
Testing 136-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.651333%
Testing 144-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.718000%
Testing 152-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.758667%
[[[ Keyset 'Cyclic' Tests ]]]
Keyset 'Cyclic' - 8 cycles of 4 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 756435.00 (64.98x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 31 - 1.772% !!!!!
Keyset 'Cyclic' - 8 cycles of 5 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 47527.00 ( 4.08x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 0 - 0.215%
Keyset 'Cyclic' - 8 cycles of 6 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 94503.00 ( 8.12x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 1 - 0.260%
Keyset 'Cyclic' - 8 cycles of 7 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 47701.00 ( 4.10x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 31 - 0.198%
Keyset 'Cyclic' - 8 cycles of 8 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 389691.00 (33.47x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 23 - 0.954%
*********FAIL*********
[[[ Keyset 'TwoBytes' Tests ]]]
Keyset 'TwoBytes' - up-to-4-byte keys, 652545 total keys
Testing collisions - Expected 49.57, actual 22.00 ( 0.44x)
Testing distribution - Worst bias is the 16-bit window at bit 20 - 0.123%
Keyset 'TwoBytes' - up-to-8-byte keys, 5471025 total keys
Testing collisions - Expected 3484.56, actual 3429.00 ( 0.98x)
Testing distribution - Worst bias is the 20-bit window at bit 12 - 0.060%
Keyset 'TwoBytes' - up-to-12-byte keys, 18616785 total keys
Testing collisions - Expected 40347.77, actual 40111.00 ( 0.99x)
Testing distribution - Worst bias is the 19-bit window at bit 5 - 0.006%
Keyset 'TwoBytes' - up-to-16-byte keys, 44251425 total keys
Testing collisions - Expected 227963.15, actual 226558.00 ( 0.99x)
Testing distribution - Worst bias is the 20-bit window at bit 29 - 0.008%
Keyset 'TwoBytes' - up-to-20-byte keys, 86536545 total keys
Testing collisions - Expected 871784.70, actual 864659.00 ( 0.99x)
Testing distribution - Worst bias is the 20-bit window at bit 12 - 0.002%
[[[ Keyset 'Sparse' Tests ]]]
Keyset 'Sparse' - 32-bit keys with up to 6 bits set - 1149017 keys
Testing collisions - Expected 153.70, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 17-bit window at bit 27 - 0.084%
Keyset 'Sparse' - 40-bit keys with up to 6 bits set - 4598479 keys
Testing collisions - Expected 2461.72, actual 2362.00 ( 0.96x)
Testing distribution - Worst bias is the 18-bit window at bit 30 - 0.035%
Keyset 'Sparse' - 48-bit keys with up to 5 bits set - 1925357 keys
Testing collisions - Expected 431.55, actual 417.00 ( 0.97x)
Testing distribution - Worst bias is the 18-bit window at bit 30 - 0.098%
Keyset 'Sparse' - 56-bit keys with up to 5 bits set - 4216423 keys
Testing collisions - Expected 2069.66, actual 2041.00 ( 0.99x)
Testing distribution - Worst bias is the 19-bit window at bit 8 - 0.021%
Keyset 'Sparse' - 64-bit keys with up to 5 bits set - 8303633 keys
Testing collisions - Expected 8026.87, actual 8011.00 ( 1.00x)
Testing distribution - Worst bias is the 19-bit window at bit 28 - 0.026%
Keyset 'Sparse' - 96-bit keys with up to 4 bits set - 3469497 keys
Testing collisions - Expected 1401.34, actual 1337.00 ( 0.95x)
Testing distribution - Worst bias is the 19-bit window at bit 5 - 0.027%
Keyset 'Sparse' - 256-bit keys with up to 3 bits set - 2796417 keys
Testing collisions - Expected 910.36, actual 909.00 ( 1.00x)
Testing distribution - Worst bias is the 19-bit window at bit 14 - 0.109%
Keyset 'Sparse' - 2048-bit keys with up to 2 bits set - 2098177 keys
Testing collisions - Expected 512.50, actual 480.00 ( 0.94x)
Testing distribution - Worst bias is the 18-bit window at bit 11 - 0.080%
[[[ Keyset 'Combination Lowbits' Tests ]]]
Keyset 'Combination' - up to 8 blocks from a set of 8 - 19173960 keys
Testing collisions - Expected 42799.01, actual 42611.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 22 - 0.014%
[[[ Keyset 'Combination Highbits' Tests ]]]
Keyset 'Combination' - up to 8 blocks from a set of 8 - 19173960 keys
Testing collisions - Expected 42799.01, actual 1029937.00 (24.06x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 23 - 0.680%
*********FAIL*********
[[[ Keyset 'Combination 0x8000000' Tests ]]]
Keyset 'Combination' - up to 20 blocks from a set of 2 - 2097150 keys
Testing collisions - Expected 512.00, actual 41656.00 (81.36x) !!!!!
Testing distribution - Worst bias is the 18-bit window at bit 21 - 0.764%
*********FAIL*********
[[[ Keyset 'Combination 0x0000001' Tests ]]]
Keyset 'Combination' - up to 20 blocks from a set of 2 - 2097150 keys
Testing collisions - Expected 512.00, actual 709.00 ( 1.38x)
Testing distribution - Worst bias is the 18-bit window at bit 18 - 0.092%
[[[ Keyset 'Combination Hi-Lo' Tests ]]]
Keyset 'Combination' - up to 6 blocks from a set of 15 - 12204240 keys
Testing collisions - Expected 17339.30, actual 17566.00 ( 1.01x)
Testing distribution - Worst bias is the 20-bit window at bit 13 - 0.027%
[[[ Keyset 'Window' Tests ]]]
Keyset 'Windowed' - 64-bit key, 20-bit window - 64 tests, 1048576 keys per test
Window at 0 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 1 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 2 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 3 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 4 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 5 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 6 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 7 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 8 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 9 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 10 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 11 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 12 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 13 - Testing collisions - Expected 128.00, actual 16.00 ( 0.13x)
Window at 14 - Testing collisions - Expected 128.00, actual 4.00 ( 0.03x)
Window at 15 - Testing collisions - Expected 128.00, actual 64.00 ( 0.50x)
Window at 16 - Testing collisions - Expected 128.00, actual 64.00 ( 0.50x)
Window at 17 - Testing collisions - Expected 128.00, actual 90.00 ( 0.70x)
Window at 18 - Testing collisions - Expected 128.00, actual 124.00 ( 0.97x)
Window at 19 - Testing collisions - Expected 128.00, actual 122.00 ( 0.95x)
Window at 20 - Testing collisions - Expected 128.00, actual 108.00 ( 0.84x)
Window at 21 - Testing collisions - Expected 128.00, actual 126.00 ( 0.98x)
Window at 22 - Testing collisions - Expected 128.00, actual 126.00 ( 0.98x)
Window at 23 - Testing collisions - Expected 128.00, actual 118.00 ( 0.92x)
Window at 24 - Testing collisions - Expected 128.00, actual 146.00 ( 1.14x)
Window at 25 - Testing collisions - Expected 128.00, actual 122.00 ( 0.95x)
Window at 26 - Testing collisions - Expected 128.00, actual 134.00 ( 1.05x)
Window at 27 - Testing collisions - Expected 128.00, actual 140.00 ( 1.09x)
Window at 28 - Testing collisions - Expected 128.00, actual 148.00 ( 1.16x)
Window at 29 - Testing collisions - Expected 128.00, actual 110.00 ( 0.86x)
Window at 30 - Testing collisions - Expected 128.00, actual 118.00 ( 0.92x)
Window at 31 - Testing collisions - Expected 128.00, actual 94.00 ( 0.73x)
Window at 32 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 33 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 34 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 35 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 36 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 37 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 38 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 39 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 40 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 41 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 42 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 43 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 44 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 45 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 46 - Testing collisions - Expected 128.00, actual 102.00 ( 0.80x)
Window at 47 - Testing collisions - Expected 128.00, actual 174.00 ( 1.36x)
Window at 48 - Testing collisions - Expected 128.00, actual 146.00 ( 1.14x)
Window at 49 - Testing collisions - Expected 128.00, actual 134.00 ( 1.05x)
Window at 50 - Testing collisions - Expected 128.00, actual 164.00 ( 1.28x)
Window at 51 - Testing collisions - Expected 128.00, actual 102.00 ( 0.80x)
Window at 52 - Testing collisions - Expected 128.00, actual 134.00 ( 1.05x)
Window at 53 - Testing collisions - Expected 128.00, actual 134.00 ( 1.05x)
Window at 54 - Testing collisions - Expected 128.00, actual 142.00 ( 1.11x)
Window at 55 - Testing collisions - Expected 128.00, actual 138.00 ( 1.08x)
Window at 56 - Testing collisions - Expected 128.00, actual 138.00 ( 1.08x)
Window at 57 - Testing collisions - Expected 128.00, actual 124.00 ( 0.97x)
Window at 58 - Testing collisions - Expected 128.00, actual 142.00 ( 1.11x)
Window at 59 - Testing collisions - Expected 128.00, actual 110.00 ( 0.86x)
Window at 60 - Testing collisions - Expected 128.00, actual 108.00 ( 0.84x)
Window at 61 - Testing collisions - Expected 128.00, actual 98.00 ( 0.77x)
Window at 62 - Testing collisions - Expected 128.00, actual 54.00 ( 0.42x)
Window at 63 - Testing collisions - Expected 128.00, actual 24.00 ( 0.19x)
Window at 64 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
[[[ Keyset 'Text' Tests ]]]
Keyset 'Text' - keys of form "Foo[XXXX]Bar" - 14776336 keys
Testing collisions - Expected 25418.13, actual 25370.00 ( 1.00x)
Testing distribution - Worst bias is the 19-bit window at bit 4 - 0.012%
Keyset 'Text' - keys of form "FooBar[XXXX]" - 14776336 keys
Testing collisions - Expected 25418.13, actual 25520.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 8 - 0.021%
Keyset 'Text' - keys of form "[XXXX]FooBar" - 14776336 keys
Testing collisions - Expected 25418.13, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 17-bit window at bit 24 - 0.005%
[[[ Keyset 'Zeroes' Tests ]]]
Keyset 'Zeroes' - 65536 keys
Testing collisions - Expected 0.50, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 13-bit window at bit 19 - 0.273%
[[[ Keyset 'Seed' Tests ]]]
Keyset 'Seed' - 1000000 keys
Testing collisions - Expected 116.42, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 17-bit window at bit 13 - 0.131%
Input vcode 0x5d6cc9f4, Output vcode 0xae7857ef, Result vcode 0x00000001
Verification value is 0x00000001 - Testing took 1820.832905 seconds
-------------------------------------------------------------------------------